Pioneer SC-37 Service Manual page 44

1
QQ
C
3 7 63 1515 0
IC1811 (Pins 2,5,11,14)
A
No
Are there
signals?
Yes Yes
IC1811 (Pins 4,7,9,12)
Are there No Check the IC1811 and its
signals?
B
Yes
B
To Step 1-9
Step 1-9: HDMI
Refer to additional document "Condition of SPDIF or I2S Output
Selection " which shows what type of format has SPDIF or I2S
signals.
C
SPDIF
RXSPDIF
IC908 (Pin 9)
TE
L 13942296513
No
Is there
a signal?
Yes
IC908 (Pin 11) HDSPDIF/DSDSL
D
Is there No
a signal?
Yes
IC1805 (Pin 2) HDSPDIF/DSDSL
No Check the patterns between
Is there
a signal?
E
Yes
IC1805 (Pin 3) MSPDIF
Is there No Check the IC1805 and its
a signal?
www
Yes
C
To Step 1-10
F
44
1
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2
Check the patterns between
IC1811 (Pins 2,5,11,14) and
IC1810 (Pins 4,7,9,12).
peripheral circuits.
(HDI2S signal: Low)
SC-37,SC-35 only
Not described
Check the IC908 and its peripheral
circuits.
IC1805 (Pin 2) and IC908 (Pin 9).
peripheral circuits.
(XHDSPDIF Signal: Low)
x ao
y
. i
2
http://www.xiaoyu163.com
3
2ch I2S
8
IC908 (Pins 2,6,7,8)
Are there
signals?
Yes
IC908 (Pins 12,13,14,18)
Are there
signals?
Yes
IC1811 (Pins 3,6,10,13)
Are there
signals?
Yes
D
To Step 1-10
* In case of Multich, diagnose the center,
surround and surround back in addition to
front.
Q Q
3 6 7 1 3
u163
.
SC-37
3
4
2 9 9 4 2 8
RXMCK,RXSD0,RXSCK,RXWS
No
Not described
HDMCK,HDBCK,HCLRCL/DSDFR,
HFDT/DSDFL
No
Check the IC908 and its peripheral
circuits.
HDMCK,HDBCK,HCLRCL/DSDFR,
HFDT/DSDFL
No Check the IC1811 and its
peripheral circuits.
(HDI2S Signal: High)
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9